import time

def bubble_sort(nums):
    swapped = True
    while swapped:
        swapped = False
        for i in range(len(nums) - 1):
            if nums [i] > nums [i + 1]:
                nums [i], nums [i + 1] = nums [i + 1],  nums [i]
                swapped = True

def read2list(filename):
    file = open(filename, ' r ' )
    data = file.readlines()
    return data

m1 = read2list("m1_sorted.txt")
m2 = read2list("m2_reverse.txt")
m3 = read2list("m3_shuffle.txt")

t_start = time.time()
bubble_sort(m1)
t_finish = time.time()
print("m1_sorted.txt", round((t_finish - t_start) * 1000), "miliseconds")

 t_start = time.time()
bubble_sort(m2)
t_finish = time.time()
print("m2_reverse.txt", round((t_finish - t_start) * 1000), "miliseconds")

t_start = time.time()
bubble_sort(m3)
t_finish = time.time()
print("m3_shuffle.txt", round((t_finish - t_start) * 1000), "miliseconds")

       
